(in-package :TRAPS)
; Generated from #P"macintosh-hd:hd3:CInterface Translator:Source Interfaces:tcp_seq.h"
; at Sunday July 2,2006 7:32:05 pm.
; 
;  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
;  *
;  * @APPLE_LICENSE_HEADER_START@
;  * 
;  * The contents of this file constitute Original Code as defined in and
;  * are subject to the Apple Public Source License Version 1.1 (the
;  * "License").  You may not use this file except in compliance with the
;  * License.  Please obtain a copy of the License at
;  * http://www.apple.com/publicsource and read it before using this file.
;  * 
;  * This Original Code and all software distributed under the License are
;  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
;  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
;  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
;  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
;  * License for the specific language governing rights and limitations
;  * under the License.
;  * 
;  * @APPLE_LICENSE_HEADER_END@
;  
; 
;  * Copyright (c) 1982, 1986, 1993, 1995
;  *	The Regents of the University of California.  All rights reserved.
;  *
;  * Redistribution and use in source and binary forms, with or without
;  * modification, are permitted provided that the following conditions
;  * are met:
;  * 1. Redistributions of source code must retain the above copyright
;  *    notice, this list of conditions and the following disclaimer.
;  * 2. Redistributions in binary form must reproduce the above copyright
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;  *    documentation and/or other materials provided with the distribution.
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;  *    must display the following acknowledgement:
;  *	This product includes software developed by the University of
;  *	California, Berkeley and its contributors.
;  * 4. Neither the name of the University nor the names of its contributors
;  *    may be used to endorse or promote products derived from this software
;  *    without specific prior written permission.
;  *
;  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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;  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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;  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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;  * SUCH DAMAGE.
;  *
;  *	@(#)tcp_seq.h	8.3 (Berkeley) 6/21/95
;  * $FreeBSD: src/sys/netinet/tcp_seq.h,v 1.11.2.5 2001/08/22 00:59:12 silby Exp $
;  
; #ifndef _NETINET_TCP_SEQ_H_
; #define _NETINET_TCP_SEQ_H_

(require-interface "sys/appleapiopts")
; 
;  * TCP sequence numbers are 32 bit integers operated
;  * on with modular arithmetic.  These macros can be
;  * used to compare such integers.
;  
; #define	SEQ_LT(a,b)	((int)((a)-(b)) < 0)
; #define	SEQ_LEQ(a,b)	((int)((a)-(b)) <= 0)
; #define	SEQ_GT(a,b)	((int)((a)-(b)) > 0)
; #define	SEQ_GEQ(a,b)	((int)((a)-(b)) >= 0)
;  for modulo comparisons of timestamps 
; #define TSTMP_LT(a,b)	((int)((a)-(b)) < 0)
; #define TSTMP_GEQ(a,b)	((int)((a)-(b)) >= 0)
; 
;  * TCP connection counts are 32 bit integers operated
;  * on with modular arithmetic.  These macros can be
;  * used to compare such integers.
;  
; #define	CC_LT(a,b)	((int)((a)-(b)) < 0)
; #define	CC_LEQ(a,b)	((int)((a)-(b)) <= 0)
; #define	CC_GT(a,b)	((int)((a)-(b)) > 0)
; #define	CC_GEQ(a,b)	((int)((a)-(b)) >= 0)
;  Macro to increment a CC: skip 0 which has a special meaning 
; #define CC_INC(c)	(++(c) == 0 ? ++(c) : (c))
; #ifdef __APPLE_API_PRIVATE
#| #|

#define tcp_rcvseqinit(tp) \
	(tp)->rcv_adv = (tp)->rcv_nxt = (tp)->irs + 1

#define tcp_sendseqinit(tp) \
	(tp)->snd_una = (tp)->snd_nxt = (tp)->snd_max = (tp)->snd_up = \
	    (tp)->iss

#define TCP_PAWS_IDLE	(24 * 24 * 60 * 60 * PR_SLOWHZ)
					
#endif
|#
 |#
;  __APPLE_API_PRIVATE 
; #ifdef KERNEL
#| #|
#ifdef__APPLE_API_PRIVATE
extern tcp_cc	tcp_ccgen;		
#endif
#endif
|#
 |#
;  KERNEL 

; #endif /* _NETINET_TCP_SEQ_H_ */


(provide-interface "tcp_seq")